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The Associated Press
AP Top Science News at 10:33 p.m. EDT

NASA's yearlong spaceman still has sore feet, fatigue
AP Photo
CAPE CANAVERAL, Fla. (AP) -- NASA's yearlong spaceman still is nursing sore feet, stiff legs and fatigue, even after nearly three months back on Earth....

Scientists: Underground stone rings made by Neanderthals
BERLIN (AP) -- Two mysterious stone rings found deep inside a French cave were probably built by Neanderthals about 176,500 years ago, proving that the ancient cousins of humans were capable of more complex behavior than previously thought, scientists say....

Why the tiny fruit fly has giant sperm: Size matters to her
AP Photo
WASHINGTON (AP) -- For a long time, the debate has gone on: Does size matter to females? Biologists now say, definitively, that it does....

New cloud formation discovery may lessen warming forecast
WASHINGTON (AP) -- A new discovery about how clouds form may scale back some of the more dire predictions about temperature increases caused by man-made global warming....

Authorities: 20 homes damaged, no injuries in Kansas storms
CHAPMAN, Kan. (AP) -- About 20 homes were damaged Wednesday night in a rural area of northern Kansas after a tornado passed through but there were no immediate reports of injuries, the Kansas Highway Patrol said....

Solar-powered airplane lands in Pennsylvania
DAYTON, Ohio (AP) -- A solar-powered airplane has landed in Pennsylvania, about 17 hours after it took off from the Ohio hometown of America aviation pioneers Wilbur and Orville Wright....

European Space Agency puts 2 navigation satellites in orbit
BERLIN (AP) -- A rocket fired from French Guiana has lifted two satellites into orbit that will form part of Europe's rival to the U.S.-made Global Positioning System, or GPS....

US biochemical engineer wins $1.2 million technology prize
HELSINKI (AP) -- American biochemical engineer Frances Arnold has won this year's euro 1 million ($1.2 million) Millennium Technology Prize for discoveries in "directed evolution," which has helped sustainable development and clean technology become available in many areas of industry....

Arizona researcher asks for help finding meteor in Maine
RANGELY, Maine (AP) -- A planetary science field researcher from Arizona is seeking help finding a fireball recorded last week streaking across the sky by police in Maine....

Use of parasitic wasps to fight ash borer grows to 24 states
DES MOINES, Iowa (AP) -- Millions of tiny wasps that are natural parasites for the emerald ash borer have been released into wooded areas in 24 states as the battle against the tree-killing borer is now biological....